Battery lamp



FIG. 1 is a front perspective view of the invention illustrating my design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is top elevation view thereof;

FIG. 6 is a bottom elevation view thereof; and,

FIG. 7 is a front perspective view of the invention in the closed condition. 

The ornamental design for a battery lamp, as shown. 